Lectures should go from being like the family singing around the piano to high-quality concerts.

If you're too focused on your current business, it's hard to change and concentrate on innovating.

For Africa to move forward, you've really got to get rid of malaria.

Setting clear goals and finding measures that will mark progress toward them can improve the human condition.

The mainstream is always under attack.

To get a big company moving fast, especially on a many-headed opportunity like the Internet, you have to have hundreds of people participating and coming up with ideas.

Philanthropy, although it's tiny compared to the government, it's 2% of the US economy, which is the largest percentage, other than the Middle East.